Ibimera bikora ogisijeni abantu bahumeka, kandi bigafata umwuka mubi wa karubone abantu basohora (ni ukuvuga bahumeka basohora). The previous text is in Kinyarwanda. Here is a translation to Swahili:
Mimea hutengeneza oksijeni ambayo binadamu hupumua, na huingiza kabonidioksidi ambayo binadamu hutoa nje (yaani, kupumua nje).